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authorArnd Bergmann <arnd@arndb.de>2019-07-16 16:25:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-16 19:23:21 -0700
commita07057dce2823e10d64a2b73cefbf09d8645efe9 (patch)
tree3db80e494d3428436e62e52fa70c449ec9368a8f /mm/cma.c
parent7b7c1df2883dd4393592859758c3e76207da8b1d (diff)
mm/slab_common.c: work around clang bug #42570
Clang gets rather confused about two variables in the same special section when one of them is not initialized, leading to an assembler warning later: /tmp/slab_common-18f869.s: Assembler messages: /tmp/slab_common-18f869.s:7526: Warning: ignoring changed section attributes for .data..ro_after_init Adding an initialization to kmalloc_caches is rather silly here but does avoid the issue. Link: https://bugs.llvm.org/show_bug.cgi?id=42570 Link: http://lkml.kernel.org/r/20190712090455.266021-1-arnd@arndb.de Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: David Rientjes <rientjes@google.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Roman Gushchin <guro@fb.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/cma.c')
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